What change will occur to the equilibrium mixture \( 2CrO^{2-}_4(aq) + 2H^+(aq) ⇔ Cr_2O^{2-}_7(aq) + H_2O(l) \) when excess sodium hydrogen solution is added? - SchoolNGR

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What change will occur to the equilibrium mixture \( 2CrO^{2-}_4(aq) + 2H^+(aq) ⇔ ...

What change will occur to the equilibrium mixture
\( 2CrO^{2-}_4(aq) + 2H^+(aq) ⇔ Cr_2O^{2-}_7(aq) + H_2O(l) \) when excess sodium hydrogen solution is added?

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Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE

A A yellow precipitate of Cr(OH)₃ is formed
B An orange precipitate of Cr(OH)₃ is formed
C The colour changes from orange to yellow
D The colour changes from yellow to orange
E There is no visible reaction.

Correct Answer: Option C

Explanation:

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